Trouble Shooting - SPX FLOW APV DELTA PR2 Instruction Manual

APV
APV_PR2_UK-4_082017.qxp
Trouble
Manually operated design
The item numbers refer to the spare parts drawing RN 01.143.0 / 01.143.1
Failure removal see chapters 12.1. and 12.2. Service Instructions
Leakage at sampling connection
Leakage between housing and yoke flange
Leakage at yoke bore
Valve does not open.
Pneumatically operated design
The item numbers refer to the spare parts drawing RN 01.146-2
Failure removal see chapters 13.1. and 13.2. Service Instructions
Leakage at sampling connection
Leakage between housing and yoke flange
Leakage at shaft passage
A c t u a t o r
Actuator does not work,
air escapes at the handle.
Air escapes from valve shaft.
Va l v e p o s i t i o n i n d i c a t i o n
Valve position does not work or is unprecise.
No feedback.
11
14.

Trouble Shooting

Remedy
Turn handle (8) in position "OFF".
Replace tip of valve shaft (1.2).
Replace o-ring (2).
Replace shaft seal (3).
Check if screw (10) sticks.
Turn handle (14) in position "OFF".
Replace tip of valve shaft (5.2).
Shut off pneumatic air supply.
Replace o-ring (2).
Replace shaft seal (3).
Replace o-ring (10).
Replace o-ring (9).
Carry out fine adjustment.
UK
Sampling valve
DELTA PR2
Instruction manual: UK - rev. 4